PROBLEM TO BE SOLVED: To provide a connector in which transfer of a fluid at a bent part can be done smoothly.SOLUTION: There is provided a connector 1 for communicating a first flow channel P1 with a second flow channel P2, which includes a first opening 2 to which the first flow channel P1 is connected, a second opening 3 to which the second flow channel P2 is connected, and an internal flow channel 4 extending between the first opening 2 and the second opening 3. The internal flow channel 4 includes at least one bent part 7. In a cross section of the internal flow channel 4 in a plane including a central line C of the bent part 7, the bent part 7 includes an inner wall part 8 located inside the bent direction, and an outer wall part 9 located outside the bent direction. At least one of the inner wall part 8 and the outer wall part 9 includes relaxation curve parts 11 and 15 in which the curvature radius changes.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】屈曲部での流体の移送がスムーズに行われ得るコネクタを提供する。【解決手段】第1流路P1と、第2流路P2とを連通させるためのコネクタ1である。第1流路P1が接続される第1開口部2と、第2流路P2が接続される第2開口部3と、第1開口部2と第2開口部3との間をのびる内部流路4とを含んでいる。内部流路4は、少なくとも1つの屈曲部7を有している。屈曲部7の中心線Cを含む平面での内部流路4の断面において、屈曲部7は、屈曲方向内側に位置する内側壁部8と、屈曲方向外側に位置する外側壁部9とを含んでいる。内側壁部8及び外側壁部9の少なくとも一方は、曲率半径が変化する緩和曲線部11,15を含んでいる。【選択図】図2
